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Related Experiment Videos

Paternal age and preterm birth.

Jin Liang Zhu1, Kreesten M Madsen, Mogens Vestergaard

  • 1Danish Epidemiology Science Centre, University of Aarhus, Aarhus, Denmark.

Epidemiology (Cambridge, Mass.)
|February 11, 2005
PubMed
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Advanced paternal age increases the risk of very preterm birth. This study found a significant trend of increased odds for very preterm birth with increasing father's age.

Area of Science:

  • Reproductive health
  • Perinatal epidemiology
  • Human reproduction

Background:

  • Growing evidence suggests advanced paternal age poses reproductive risks.
  • Paternal age is an understudied factor in adverse pregnancy outcomes.
  • Understanding paternal age effects is crucial for reproductive counseling.

Purpose of the Study:

  • To investigate the association between paternal age and preterm birth.
  • To quantify the risk of preterm and very preterm birth in relation to father's age.
  • To adjust for potential confounding factors in the paternal age-preterm birth relationship.

Main Methods:

  • Nationwide Danish registers (1980-1996) of couples and their firstborn children.
  • Logistic regression analysis to estimate odds ratios (ORs) for preterm birth.

Related Experiment Videos

  • Analysis restricted to mothers aged 20-29 years to isolate paternal age effects.

    • Main Results:

    • A significant increasing trend in the risk of very preterm birth with advancing paternal age (P = 0.01).
    • Compared to fathers aged 20-24, ORs for very preterm birth were elevated for older paternal age groups.
    • The association was primarily driven by very preterm births (< 32 weeks gestation).

    Conclusions:

    • Advanced paternal age is associated with an increased risk of very preterm birth.
    • The findings suggest a potential paternal placental effect contributing to preterm birth.
    • Older fathers may require increased awareness regarding potential pregnancy complications.